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Finding the Fourth Proportional to 63,376.10, 95,069.10 and 28,319.30

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Solution

The fourth proportional to 63,376.10, 95,069.10 and 28,319.30 is: 42,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376.10 : 95,069.10 = 28,319.30 : x
  2. Step 2: Convert to fraction form
    63,376.10/95,069.10 = 28,319.30/x
  3. Step 3: Cross multiply
    63,376.10x = 95,069.10 × 28,319.30
  4. Step 4: Simplify right side
    63,376.10x = 2,692,290,363.63
  5. Step 5: Solve for x
    x = 2,692,290,363.63/63,376.10
  6. Step 6: Final answer
    x = 42,481.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.